Re: [Haskell-cafe] Folding Integrals

On Wed, 12 Dec 2007, Reinier Lamers wrote:

Back in my Introduction to Functional Programming course, Daan Leijen demonstrated how to print integers in Haskell using function composition. Something along the lines of:

printint :: Int -> [Char] printint = map chr . map (+0x30) . reverse . map (`mod` 10) . takeWhile (>0) . iterate (`div`10)

Nice, that is even without 'unfoldr'. It might be a bit better style to use map (+ ord '0')